Fancy CSS styling for Radio Buttons and Checkboxes

checkboxes.scss

/*********************
  Fancy CSS Textboxes
**********************/

$light-blue: #609FD5;

input[type="checkbox"] {
  position: absolute;
  left: -9999px;
  visibility: hidden;
}

input[type="checkbox"]:not(:checked) + label,
input[type="checkbox"]:checked + label {
  position: relative;
  padding-left: 30px !important;
  cursor: pointer;
  margin-bottom: 0;
  user-select: none;
}

input[type="checkbox"] + label + small {
  position: relative;
  top: -5px;
}

/* checkbox aspect */
input[type="checkbox"]:not(:checked) + label:before,
input[type="checkbox"]:checked + label:before {
  content: '';
  position: absolute;
  left: 0;
  top: 1px;
  width: 20px;
  height: 20px;
  border: 1px solid #ccc;
  background: #fff;
  border-radius: 2px;
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
}

/* disabled cursor */
input[type="checkbox"] + label.disabled {
  cursor: not-allowed;
}

/* disabled checkbox aspect */
input[type="checkbox"] + label.disabled:before {
  background-color: #eee;
}

/* checked mark aspect */
input[type="checkbox"]:not(:checked) + label:after,
input[type="checkbox"]:checked + label:after {
  content: '';
  background: image-url("icon-check-white.svg") center center no-repeat $light-blue;
  background-size: 50%;
  width: 20px;
  height: 20px;
  position: absolute;
  top: 1px;
  left: 0; 
  transition: .28s ease;
  border-radius: 2px;
}

/* checked mark aspect changes */
input[type="checkbox"]:not(:checked) + label:after {
  opacity: 0;
  transform: scale(0);
}

input[type="checkbox"]:checked + label:after {
  opacity: 1;
  transform: scale(1);
}

.fancy-checkbox {
  padding: 5px 0;
  margin-bottom: 15px;
}
.fancy-checkbox label {
  user-select: none;
}

icon-check-white.svg

radios.scss

/*********************
  Fancy CSS Radios
**********************/

$light-blue: #609FD5;

/* Remove default Radio Buttons */
[type="radio"]:not(:checked),
[type="radio"]:checked {
  position: absolute;
  left: -9999px;
  visibility: hidden;
}

[type="radio"]:not(:checked) + label,
[type="radio"]:checked + label {
  position: relative;
  padding-left: 28px;
  cursor: pointer;
  display: inline-block;
  height: 25px;
  line-height: 25px;
  transition: .28s ease;
  -khtml-user-select: none; /* webkit (konqueror) browsers */
  user-select: none;
  margin-right: 20px;
}

[type="radio"] + label:before,
[type="radio"] + label:after {
  background-color: #fff;
  content: '';
  position: absolute;
  left: 0;
  top: 3px;
  margin: 0px;
  width: 20px;
  height: 20px;
  z-index: 0;
  transition: .28s ease;
}

/* Unchecked styles */
[type="radio"]:not(:checked) + label:before {
  border-radius: 50%;
  border: 1px solid #ccc;
}
[type="radio"]:not(:checked) + label:after {
  border-radius: 50%;
  border: 1px solid #ccc;
  transform: scale(0);
  z-index: -1;
}

/* Checked styles */
label.boolean {
  font-weight: normal;
}
[type="radio"]:checked + label:before {
  border: 1px solid transparent;
  border-radius: 50%;
}
[type="radio"]:checked + label:after {
  background-color: $light-blue;
  border-radius: 50%;
  border: 1px solid $light-blue;
  transform: scale(1.02);
  z-index: 0;
}

/* Radio With gap */
[type="radio"]:checked + label:before {
  border-radius: 50%;
  border: 1px solid $light-blue;
}
[type="radio"]:checked + label:after {
  border-radius: 50%;
  border: 1px solid $light-blue;
  background-color: $light-blue;
  z-index: 0;
  transform: scale(.5);
}

/* Disabled Radio With gap */
[type="radio"]:disabled:checked + label:before {
  border: 2px solid #ccc;
}
[type="radio"]:disabled:checked + label:after {
  border: none;
  background-color: #ccc;
}

/* Disabled style */
[type="radio"]:disabled:not(:checked) + label:before,
[type="radio"]:disabled:checked + label:before {
  background-color: transparent;
  border-color: #ccc;
}
[type="radio"]:disabled + label {
  color: #ccc;
}
[type="radio"]:disabled:not(:checked) + label:before {
  border-color: #ccc;
}
[type="radio"]:disabled:checked + label:after {
  background-color: #ccc;
  border-color: #ccc;
}

/* Rails SimpleForm errors */
div.field_with_errors [type="radio"]:not(:checked) + label:before {
  border: 1px solid #d9534f;
  background: #fff6f6;
}